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FreeGeoIP vs PostcodeData.nl

Same instrument, two spec sheets — measured, not claimed.

APIFreeGeoIPHEALTHY97PostcodeData.nlHEALTHY91
Uptime · 30d
Uptime · 90d96.1%100%
Uptime · 30d100%100%
P50 · ms242692
P95 · ms6071989
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FreeGeoIP vs PostcodeData.nl: common questions

Which is more reliable, FreeGeoIP or PostcodeData.nl?

On our scheduled checks, PostcodeData.nl leads on measured uptime — FreeGeoIP at 96.1% versus PostcodeData.nl at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, FreeGeoIP or PostcodeData.nl?

FreeGeoIP has the lower median latency in our checks — FreeGeoIP responds in 242 ms versus PostcodeData.nl at 692 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do FreeGeoIP and PostcodeData.nl need an API key?

Neither needs a paid key — FreeGeoIP is callable with no signup, and PostcodeData.nl is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call FreeGeoIP and PostcodeData.nl from the browser?

Only FreeGeoIP is browser-friendly — it returns CORS headers over HTTPS. PostcodeData.nl needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are FreeGeoIP and PostcodeData.nl free for commercial use?

FreeGeoIP has unclear commercial terms, and PostcodeData.nl has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.